FLA_Apply_QUD_UT_lhfc_blk_var3.c File Reference

(r)

Functions
FLA_Error	FLA_Apply_QUD_UT_lhfc_blk_var3 (FLA_Obj T, FLA_Obj W, FLA_Obj R, FLA_Obj U, FLA_Obj C, FLA_Obj V, FLA_Obj D, fla_apqudut_t *cntl)

Function Documentation

FLA_Apply_QUD_UT_lhfc_blk_var3()

FLA_Error FLA_Apply_QUD_UT_lhfc_blk_var3	(	FLA_Obj	T,
		FLA_Obj	W,
		FLA_Obj	R,
		FLA_Obj	U,
		FLA_Obj	C,
		FLA_Obj	V,
		FLA_Obj	D,
		fla_apqudut_t *	cntl
	)

{
  FLA_Obj TT,              T0,
          TB,              T1,
                           T2;
 
  FLA_Obj UT,              U0,
          UB,              U1,
                           U2;
 
  FLA_Obj VT,              V0,
          VB,              V1,
                           V2;
 
  FLA_Obj CT,              C0,
          CB,              C1,
                           C2;
 
  FLA_Obj DT,              D0,
          DB,              D1,
                           D2;
 
  dim_t b_T, b_UC, b_VD;
 
  FLA_Part_2x1( T,    &TT, 
                      &TB,            0, FLA_TOP );
 
  FLA_Part_2x1( U,    &UT, 
                      &UB,            0, FLA_TOP );
 
  FLA_Part_2x1( V,    &VT, 
                      &VB,            0, FLA_TOP );
 
  FLA_Part_2x1( C,    &CT, 
                      &CB,            0, FLA_TOP );
 
  FLA_Part_2x1( D,    &DT, 
                      &DB,            0, FLA_TOP );
 
  while ( FLA_Obj_length( TT ) < FLA_Obj_length( T ) ){
 
    b_T  = FLA_Determine_blocksize( TB, FLA_BOTTOM, FLA_Cntl_blocksize( cntl ) );
    b_UC = FLA_Determine_blocksize( UB, FLA_BOTTOM, FLA_Cntl_blocksize( cntl ) );
    b_VD = FLA_Determine_blocksize( VB, FLA_BOTTOM, FLA_Cntl_blocksize( cntl ) );
 
    FLA_Repart_2x1_to_3x1( TT,                &T0, 
                        /* ** */            /* ** */
                                              &T1, 
                           TB,                &T2,        b_T, FLA_BOTTOM );
 
    FLA_Repart_2x1_to_3x1( UT,                &U0, 
                        /* ** */            /* ** */
                                              &U1, 
                           UB,                &U2,        b_UC, FLA_BOTTOM );
 
    FLA_Repart_2x1_to_3x1( VT,                &V0, 
                        /* ** */            /* ** */
                                              &V1, 
                           VB,                &V2,        b_VD, FLA_BOTTOM );
 
    FLA_Repart_2x1_to_3x1( CT,                &C0, 
                        /* ** */            /* ** */
                                              &C1, 
                           CB,                &C2,        b_UC, FLA_BOTTOM );
 
    FLA_Repart_2x1_to_3x1( DT,                &D0, 
                        /* ** */            /* ** */
                                              &D1, 
                           DB,                &D2,        b_VD, FLA_BOTTOM );
 
    /*------------------------------------------------------------*/
 
    //  / R  \        / R  \
    //  | C1 |  =  Q' | C1 |
    //  \ D1 /        \ D1 /
    //
    //  where Q is formed from U1, V1, and T1.
 
    FLA_Apply_QUD_UT_internal( FLA_LEFT, FLA_CONJ_TRANSPOSE, FLA_FORWARD, FLA_COLUMNWISE,
                               T1, W,
                                   R,
                               U1, C1,
                               V1, D1, FLA_Cntl_sub_apqudut( cntl ) );
 
    /*------------------------------------------------------------*/
 
    FLA_Cont_with_3x1_to_2x1( &TT,                T0, 
                                                  T1, 
                            /* ** */           /* ** */
                              &TB,                T2,     FLA_TOP );
 
    FLA_Cont_with_3x1_to_2x1( &UT,                U0, 
                                                  U1, 
                            /* ** */           /* ** */
                              &UB,                U2,     FLA_TOP );
 
    FLA_Cont_with_3x1_to_2x1( &VT,                V0, 
                                                  V1, 
                            /* ** */           /* ** */
                              &VB,                V2,     FLA_TOP );
 
    FLA_Cont_with_3x1_to_2x1( &CT,                C0, 
                                                  C1, 
                            /* ** */           /* ** */
                              &CB,                C2,     FLA_TOP );
 
    FLA_Cont_with_3x1_to_2x1( &DT,                D0, 
                                                  D1, 
                            /* ** */           /* ** */
                              &DB,                D2,     FLA_TOP );
  }
 
  return FLA_SUCCESS;
}

References FLA_Apply_QUD_UT_internal(), FLA_Cont_with_3x1_to_2x1(), FLA_Determine_blocksize(), FLA_Obj_length(), FLA_Part_2x1(), FLA_Repart_2x1_to_3x1(), and i.

Referenced by FLA_Apply_QUD_UT_lhfc().